Thursday, April 14, 2016

30 Days for SSC CGL 2016 - GK Quiz - 10 - Chemistry



Hello and welcome to ExamPundit. Here is the tenth set of  GK Quiz for SSC CGL 2016 on Chemistry. This falls under the 30 Days for SSC CGL 2016 Series.


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At least 12 Attempts for Scores.

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1. Burning of carbon in oxygen is an ----------- reaction
a) Exothermic
b) Endothermic
c) Partly exothermic and partly endothermic
d) No reaction


2. How is rate of reaction related to frequency of collision of reacting materials?
a) Directly proportional
b) Inversely proportional
c) No relation
d) Equal


3. Which catalyst is used in hydrogenation of vegetable oils
a) Cobalt
b) Copper
c) Iron
d) Nickel


4. Which of the following is not true regarding equilibrium of a reversible reaction?
a) The rate of forward reaction=rate of reverse reaction
b) The reaction stops at equilibrium condition
c) The reaction does not ends in equilibrium state
d) Equilibrium is dynamic in nature


5. What are the ions present in carbonic acid?
a) CO- and H+
b) 2H+       and CO32-
c) 2H+ and CO3-
d) None


6. Which of the following is an electrolyte?
a) Urea
b) Benzene
c) Acetic acid
d) Alcohol


7. The group number of an element represents its
a) Valency
b) Atomic mass
c) Atomic number
d) Ionic charge


8. In Newland’s law of octaves, the classification was successful only upto which element
a) Magnesium
b) Aluminium
c) Iron
d) Calcium


9. S block elements are
a) Metals
b) Non metals
c) Metalloids
d) None


10. Trend in valency in a period is
a) Increases
b) Decreases
c) Increases upto 4 and den decreases upto 0
d) Decreases upto 0 and den increase upto 4


11. Be is diagonally related to
a) Si
b) Al
c) Ca
d) Na

12. Ionisation energy increases in a period due to
a) Decrease in nuclear charge
b) Increase in nuclear charge
c) Increase in atomic number
d) Increase in size

13. IE of nitrogen is more than oxygen because
a) Nitrogen has stable half filled 2p subshell
b) Nitrogen has stable full filled 2p subshell
c) Oxygen has half filled 2P subshell
d) None


14. Electron gain enthalpy of _______ is positive
a) Nitrogen
b) Noble gas and nitrogen
c) Noble gas
d) Lanthanides and actinides


15. Atomic radii ______ in a group
a) Decreases
b) Increases
c) Remains same
d) Increases and then decreases


16. ____-electrons are closer to the nucleus
a) D
b) E
c) S
d) P






Winners:

  1. Ami Sourav - 9/11
  2. Basundhara Saha - 8/12




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